-81.97% is the change from 610 to 110
Calculation steps:
[( 110 - 610 ) ÷ 610] x 100 = -81.97%
Formula
Percentage change = [(110 - 610) / 610] x 100
Subtract the new number by the original number
110 - 610 = -500
-500 ÷ 610 = -0.819672131147541
-0.819672131147541 x 100 = -81.97%